| No | Part number | Description ( Function ) | Manufacturers | |
| 4 | M-985-01 | Precise Call Progress and Special Information Tone Generator M-985-01 Precise Call Progress and Special Information Tone Generator Features • • • • • • • • • • Precise detection of call progress tones Linear (analog) input Digital (CMOS compatible), tri-state outputs 22-pin DIP and 20-pin SOIC Single supply 3 to 5 volt (low power CMOS) Inexpensive 3.58 MHz crystal time base Wide dynamic range (30 dB) Lower power consu |
 Clare Inc. |
|
| 3 | M-985-01P | Precise Call Progress and Special Information Tone Generator M-985-01 Precise Call Progress and Special Information Tone Generator Features • • • • • • • • • • Precise detection of call progress tones Linear (analog) input Digital (CMOS compatible), tri-state outputs 22-pin DIP and 20-pin SOIC Single supply 3 to 5 volt (low power CMOS) Inexpensive 3.58 MHz crystal time base Wide dynamic range (30 dB) Lower power consu |
Clare Inc. |
|
| 2 | M-985-01S | Precise Call Progress and Special Information Tone Generator M-985-01 Precise Call Progress and Special Information Tone Generator Features • • • • • • • • • • Precise detection of call progress tones Linear (analog) input Digital (CMOS compatible), tri-state outputs 22-pin DIP and 20-pin SOIC Single supply 3 to 5 volt (low power CMOS) Inexpensive 3.58 MHz crystal time base Wide dynamic range (30 dB) Lower power consu |
Clare Inc. |
|
| 1 | M-985-01T | Precise Call Progress and Special Information Tone Generator M-985-01 Precise Call Progress and Special Information Tone Generator Features • • • • • • • • • • Precise detection of call progress tones Linear (analog) input Digital (CMOS compatible), tri-state outputs 22-pin DIP and 20-pin SOIC Single supply 3 to 5 volt (low power CMOS) Inexpensive 3.58 MHz crystal time base Wide dynamic range (30 dB) Lower power consu |
Clare Inc. |
|
List of most widely used semiconductors
| Part Number | Function | Manufacturers | |
| 1N4007 | The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V. |
 Vishay |
|
| LM317 | This is a popular adjustable voltage regulator. |
 ON Semiconductor |
|
6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
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